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#!/bin/sh
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proto=$1
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branch=$2
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if [ -z "$proto" ]; then
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    echo "Usage: $0 <proto name> [<branch>]"
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    exit 1
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fi
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dirname=$proto-$( date +%Y%m%d )
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rm -rf $dirname
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git clone git://git.freedesktop.org/git/xorg/proto/$proto $dirname
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cd $dirname
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if [ -z "$branch" ]; then
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    git log | head -1
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else
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    git checkout $branch
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fi
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sha=`git rev-list --max-count=1 --abbrev-commit HEAD`
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git repack -a -d
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cd ..
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# append sha to dirname
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mv $dirname $dirname-git$sha
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dirname=$dirname-git$sha
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tarball=$dirname.tar.bz2
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tar jcf $tarball $dirname
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rm -rf $dirname
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echo "$tarball is now available"